12 PM ET: Primaries to watch, use-of-force policy change, global food crisis & more

12 PM ET: Primaries to watch, use-of-force policy change, global food crisis & moreIt’s primary election day in the US and five states are holding elections – we’ll give you a round-up of races to watch. The Justice Department is changing its use-of-force policy for the first time in nearly two decades. Russia has attacked Ukraine’s wheat supply and the UN says hundreds of millions of people around the world are facing starvation because of it. Hundreds of migrants were arrested at the US-Mexico border over the weekend and California might have to make drastic decisions to preserve water. To learn more about how CNN protects listener privacy, visit cnn.com/privacy